Home / 21,187,467.24-31,773,134.07-12,554,003.94

Finding the Fourth Proportional to 21,187,467.24, 31,773,134.07 and 12,554,003.94

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Solution

The fourth proportional to 21,187,467.24, 31,773,134.07 and 12,554,003.94 is: 18,826,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,187,467.24 : 31,773,134.07 = 12,554,003.94 : x
  2. Step 2: Convert to fraction form
    21,187,467.24/31,773,134.07 = 12,554,003.94/x
  3. Step 3: Cross multiply
    21,187,467.24x = 31,773,134.07 × 12,554,003.94
  4. Step 4: Simplify right side
    21,187,467.24x = 398,880,050,300,928.25
  5. Step 5: Solve for x
    x = 398,880,050,300,928.25/21,187,467.24
  6. Step 6: Final answer
    x = 18,826,226.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.